package com.bjc.utils;

/**
 * @program: airspringaop
 * @description:
 * @author: bjc
 * @create: 2020-08-30 15:03
 */
public interface Cal {

    int add(int num1,int num2);

    int sub(int num1,int num2);

    int mul(int num1,int num2);

    int div(int num1,int num2);
}
